activerecord.rb

# frozen_string_literal: true

require 'yaml'
require 'erb'
require 'active_record'

config_dir = File.expand_path('../', __FILE__)
config_content = File.read(File.join(config_dir, 'database.yml'))

db_conf = YAML.safe_load(ERB.new(config_content).result)
env = ENV['RACK_ENV'] || 'development'

ActiveRecord::Base.establish_connection db_conf[env]
logger = if %w[development test].include? env
           Logger.new(File.open('log/db.log', 'a'))
         else
           Logger.new(STDOUT)
         end

ActiveRecord::Base.logger = logger